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Biomedical subjects

D Taplin

Publications and source records attributed to D Taplin.

At least 37 records · Page 2Linked to original sources

Malathion for treatment of Pediculus humanus var capitis infestation.

One hundred fifteen subjects took part in a double-blind study comparing the efficacy and safety of 0.5% malathion lotion (Prioderm lotion) and the alcoholic vehicle of the lotion as pediculicides in the treatment of head lice. The subjects, with a mean age of 9 years, had long-standing lice infestations and at least 20 viable ova. The subjects were treated with the test preparation, which was allowed to remain on the hair for 12 hours. Ovicidal and pediculicidal efficacy for the malathion lotion was significant; overall clinical evaluation by the investigators showed a significant number of moderate to marked therapeutic responses to malathion lotion. Only one adverse reaction (in the malathion lotion group) was reported, the stinging of pyodermal lesions in reaction to the alcoholic vehicle. Other concomitant scalp diseases were unchanged or improved at the end of the study.

Administration, Topical

Fatal Aeromonas hydrophila infection of the skin.

A 62-year-old woman developed a fatal Aeromonas hydrophila infection of the skin after dropping a crab trap on her leg. The area surrounding the punctures was erythematous and had several flaccid bullae. A biopsy specimen of the involved skin showed necrosis and suppuration in the dermis and subcutaneous fat. The A hydrophila sepsis resolved after treatment with gentamicin, but the patient developed secondary wound infections and died three months after injury.

Aeromonas

A community outbreak of scabies.

An elementary school in Broward County, Florida, reported an outbreak of scabies in January and February 1975. Investigation identified 23 cases of scabies in schoolchildren, with at least two cases in each grade. The first case had appeared as early as July 1974, but most occurred after December. There was little contact between students in different grades; most transmission was found to have taken place within families and in the community. An additional 28 cases were found in families and contacts; altogether, 51 cases in 24 families were identified on clinical or historical grounds. Infestation was more frequent in children who exchanged clothes with friends or relatives and in those who, on occasion, spent the night with other children.

Child

Superficial mycoses.

Twenty-five years ago many of the topical remedies for superficial mycoses were irritating, toxic, or allergenic. Total x-ray depilation of the scalp was the accepted mode of therapy for tinea capitis. The introduction of topical nystatin for candidiasis and tolnaftate for dermatophytosis were major advances, but tinea capitis, onychomycosis, and chronic tinea pedis still presented problems. Soon after its introduction in 1958, griseofulvin became the definitive form of therapy for all types of dermatophytosis and played a major role in abolishing large-scale epidemics of tinea capitis in some countries. Recently, haloprogin and the imidazole derivatives, miconazole and clotrimazole, which are topically active against dermatophytes and Candida albicans, have become available. Selective indicator media for isolating dermatophytes are useful diagnostic tools, but quicker methods of diagnosis which require little interpretation are still lacking. Epidemiologic studies in Vietnam again revealed the effects of climate and occlusion on the prevalence, incidence, and severity of superficial mycoses and led to renewed interest in host susceptibility, environment, and prevention of infections.

Administration, Topical

Bacterial pyodermas.

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Administration, Topical

Skin infections in eastern Panama. Survey of two representative communities.

A skin infection survey of 1,084 people was carried out in two jungle villages in eastern Panama. Bacterial pyoderma was the most prevalent infection, affecting 25% of boys, 15% of girls, and 11% of those over 10 years of age. Streptococcus pyogenes and Staphylococcus aureus were recovered from 84% of pyodermas cultured. Nearly 60% of the cutaneous staphylococcal isolates were resistant to penicillin. Hippelates flies were seen feeding on purulent skin lesions and may have been important in transmission. Scabies, ringworm, candidiasis, and cutaneous leishmaniasis were in comparison with pyoderma involving less than 1% of the population each. All of the ringworm infections were caused by Trichophyton rubrum.

Adolescent

Value of desiccated swabs for streptococcal epidemiology in the field.

Streptococcal surveys in foreign countries or remote areas may be greatly enhanced by the use of calcium alginate swabs desiccated in sterile silica gel. Delays of up to 4 weeks before return to a base laboratory are feasible, and the need for fresh media or laboratory facilities in the field may be eliminated. Comparison of direct plating on crystal violet blood agar versus delayed silica gel preservation during surveys in Uganda, Haiti, Colombia, and Miami, Fla., showed no significant loss of positive cultures from skin lesions and suggests that desiccated swabs increase the recovery of bacitracin-sensitive Streptococcus pyogenes (presumptive group A) from throats.

Agar